Microsoft® SQL Server 2008 R2 Unleashed

How to Approach Disaster Recovery

Often, disaster recovery specialists refer to a seven-tier disaster recovery paradigm. These tiers start at the bottom of the disaster recovery food chain—Tier 0 (no offsite data—possibly no recovery) and progress up to the highest level of disaster recovery possible—Tier 7 (zero to near-zero data loss with highly automated recovery). We developed a much more simplified and more generalized five-level representation that should aid you in understanding DR and how you can approach it more readily. Let’s start with where we think most small to midsize companies find themselves: they have little to no disaster recovery plan and are operating at a fairly high risk exposure level. When we look at Figure 56.1, this ...